const MoneyTest = /((^[1-9]\d*)|^0)(\.\d{0,2}){0,1}$/;
// 金额添加千分位
const comdify = function (n) {
    if(!n) return n;
    let str = n.split('.');
    let re = /\d{1,3}(?=(\d{3})+$)/g;
    let n1 = str[0].replace(re, "$&,");
    return str.length > 1 && str[1] ? `${n1}.${str[1]}` : `${n1}.00`;
};
//去除千分位中的‘，’
const delcommafy = function (num){
    if(!num) return num;
    num = num.toString();
    num = num.replace(/,/gi, '');
    return num;
};
const valdateFn = function (rule,val,cb) {
    setTimeout(() => {
        if(val) {
            let inputVal = delcommafy(val);
            if (rule.test(inputVal)) {
                cb()
            } else {
                cb('只能是数字金额,最多两位小数')
            }
        }
        cb()
    })
}
// 验证金额数字可以为负数
const moneyValid = function (rule,val,cb) {
    valdateFn(/((^-?[1-9]\d*)|^-?0)(\.\d{0,2}){0,1}$/,val,cb);
};
// 验证金额数字不可以为负数
const moneyNValid = function (rule,val,cb) {
    valdateFn(MoneyTest,val,cb);
};

// 获取输入框的值
const getInputValue = function (el) {
    let inputVal = el.target.value || '';
    return comdify(delcommafy(inputVal));
};
export {
    getInputValue,
    moneyValid,
    moneyNValid
}